AirHint found the following cheapest return flights from London (LHR) to Skopje (SKP) in September 2025 (see full year).

Return flights

13 Sep - 27 Sep	British Airways
20 Sep - 27 Sep	British Airways
27 Sep - 04 Oct	British Airways
06 Sep - 13 Sep	British Airways
10 Sep - 14 Sep	British Airways
20 Sep - 24 Sep	British Airways
21 Sep - 24 Sep	Air Serbia
17 Sep - 22 Sep	Air Serbia
21 Sep - 26 Sep	Air Serbia
17 Sep - 26 Sep	Air Serbia
28 Sep - 04 Oct	Air Serbia
23 Sep - 27 Sep	British Airways
26 Sep - 01 Oct	Austrian Airlines

Also check the deals for one-way flights from London to Skopje in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Skopje in September from $198

Return flights